317673133 has 2 divisors, whose sum is σ = 317673134. Its totient is φ = 317673132.

The previous prime is 317673119. The next prime is 317673137. The reversal of 317673133 is 331376713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242798724 + 74874409 = 15582^2 + 8653^2 .

It is an emirp because it is prime and its reverse (331376713) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-317673133 is a prime.

It is equal to p_17156572 and since 317673133 and 17156572 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317673137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158836566 + 158836567.

It is an arithmetic number, because the mean of its divisors is an integer number (158836567).

Almost surely, 2^317673133 is an apocalyptic number.

It is an amenable number.

317673133 is a deficient number, since it is larger than the sum of its proper divisors (1).

317673133 is an equidigital number, since it uses as much as digits as its factorization.

317673133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23814, while the sum is 34.

The square root of 317673133 is about 17823.3872482197. The cubic root of 317673133 is about 682.3284745647.

The spelling of 317673133 in words is "three hundred seventeen million, six hundred seventy-three thousand, one hundred thirty-three".